Ampad 73140 Gold Fibre Release & Seal Catalog Envelope, 10 x 13, White (Box of 100) White 10 x 13 catalog envelope with a 28-lb. paper stock features a Pull &amp; Seal Self-Stick closure and security tint. Security tint. Tamper-resistant flap. Pull &amp; Seal self-stick closure. White wove finish.